Making Predictions Using Probability

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

Front

What does it mean to make a prediction using probability?

Back

Making a prediction using probability involves estimating the likelihood of a specific outcome based on known probabilities.

Front

If a spinner has 4 equal sections, what is the probability of landing on any one section?

Back

The probability of landing on any one section is 1/4 or 0.25.

Front

How do you calculate the expected number of outcomes in probability?

Back

Multiply the total number of trials by the probability of the desired outcome.

Front

What is the expected number of times a spinner will not land on a specific number if spun 30 times and the probability of landing on that number is 1/6?

Back

Expected number = 30 * (1 - 1/6) = 25 times.

Front

What is a sample space in probability?

Back

A sample space is the set of all possible outcomes of a probability experiment.

Front

What is the difference between theoretical probability and experimental probability?

Back

Theoretical probability is based on expected outcomes, while experimental probability is based on actual results from trials.

Front

If a number cube is rolled, what is the probability of rolling a 5?

Back

The probability of rolling a 5 is 1/6.

Front

How can you use a survey to make predictions?

Back

Surveys can provide data on preferences, which can be used to predict outcomes based on the proportion of responses.

Front

What is the expected number of times a red paper clip will be selected if there are 300 selections and the probability of selecting a red paper clip is 1/3?

Back

Expected number = 300 * (1/3) = 100 times.